I（）(將在做實驗) from three to five this afternoon.

There’s a man at the reception desk who seems very angry and I think he means（）(想找麻煩).

（）(信不信由你), his discovery has created a stir in scientific circles.

By the time you get to New York, I（）(已經動身去) London.

It’s time（）(采取措施) about the traffic problem downtown.

He wears a pair of sunglasses（）（惟恐被別人認出來）.

Buying clothes（）(是一件很耗時的工作), because those clothes that a person likes are rarely the ones that fit him or her.

It may be necessary to stop（）(每隔一定時間) in the learning process and go back to the difficult points in the lessons.

She never dreams of （）(被派到國外).

Mark often（）(試圖逃脫罰款) whenever he breaks traffic regulations.